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Chapter 7

LightLight

Fig. 7.2

Fig. 7.3

Fig. 7.4 Blackbody radiation

Fig. 7.5 Solar radiation

Fig. 7.6 Light interacts with matter

Fig. 7.7 Light reflects in two ways

Fig. 7.8 White light is absorbed anda specific color is reflcted.

Fig. 7.9 Illustration of a one-way mirror

Fig. 7.10 Light rays reflected off a tree

Fig. 7.11 The law of reflection

Fig. 7.12 A mirror produces a virtual image

A virtual imagecannot be projected

onto a screen

A real imagecan be projected

Fig. 7.13 Refraction (bending) of a light ray.

Fig. 7.14 Direction of refraction (bending) of light

Fig. 7.16 Formation of a mirage by bending of light

Our brains interpret the refracted light

as reflected light

Light travels faster in warmer air

Fig. 7.17 Roses are red because they reflect red light